Topic: iPhone 5

At the VentureBeat Mobile Summit in Sausalito, Calif., on Monday, AT&T Senior Vice President Kris Rinne announced that the second-largest U.S. carrier will roll out support for HD Voice over its 4G LTE network sometime this year.

For its debut on T-Mobile, the iPhone 5 is being reworked straight from the factory to take advantage of the carrier's Advanced Wireless Services (AWS) bandwidths, a modification that reportedly cannot be done with a simple software update.

At a media event announcing its new payment plans and 4G network on Tuesday, T-Mobile was certain to point out that it will be the only U.S. carrier offering high-fidelity voice transmissions with the iPhone 5.

After years of all but avoiding any mention of its mobile competitors, Apple has launched a new site that highlights iPhone's advantages as a smartphone, similar to its "Get a Mac" campaign that took on Windows PCs.

The launch of the iPhone 5, combined with the continuing popularity of the iPhone 4S and iPhone 4, allowed Apple's iOS to grow by 3.5 percentage points in the U.S. market, taking share away from Google's Android OS.

It was revealed in a recent filing with the U.S. Securities and Exchange Commission that Cricket, the prepaid cellular carrier owned by Leap Wireless, expects to sell about half the number of iPhones it committed to move over the first year of its agreement with Apple.

Apple's policy of limiting operation of the iPhone 5 with certain Hong Kong carriers is under fire, as one carrier has filed court documents contesting the practice, claiming that consumers may be surprised to find that "their choice of mobile service provider [is] dictated by Apple."

Apple's iPhone 5 was the best selling smartphone in the world in the fourth quarter of 2012, while the second most popular handset was the iPhone 4S, making it more popular than Samsung's newer Galaxy S3.

HTC on Tuesday took the wraps off its latest "One" smartphone, sporting a 4.7-inch high-definition display with 468 pixels per inch, powered by a 1.7-gigahertz quad-core Snapdragon processor, all encased in an iPhone-like aluminum shell.

A photo of what is thought to be the next-generation HTC One handset was purportedly leaked to the Web on Friday, showing the smartphone clad in a "slate and black" colorway similar to Apple's iPhone 5.

A new security flaw discovered in Apple's mobile operating system lets anyone bypass the passcode lock on iPhones running iOS 6.1 in a matter of seconds, revealing access to the phone's contacts, voicemails, and photos.

According to new findings published on Tuesday, Apple rode strong demand of its new iPhone 5 to sell more handsets in Japan than any other manufacturer during the full 2012 calendar year, a first for the Cupertino, Calif., company.

A little over two weeks after Apple released iOS 6.1, a number of iPhone users are reporting battery drain and overheating issues possibly related to the newest update, while Vodafone UK sent out a warning telling iPhone 4S owners not to upgrade to the latest OS version as it has been found to cause 3G performance.